This site, created by Michelle Lacey of Yale University, gives an explanation, a definition and an example of two-way tables and the chi-square test. Topics include: categorical data analysis for two variables, and...

This online interactive lesson, created by Kyle Siegrist of the University of Alabama - Huntsville, on foundations provides examples, exercises, and applets which review the algebra of sets and functions, general...

This applet is designed to teach an application of probability. This Java applet works by simulating a situation where a three stage rocket is about to be launched. In order for a successful launch to occur all three...

This chapter of the HyperStat Online Textbook discusses in detail sampling distributions of various statistics (mean, median, proportions, correlation, etc.), differences between such statistics, the Central Limit...